#top{  width:700px; height:153px; margin-bottom:2px;}
#lue{ background:url(../img/banner.jpg) no-repeat; width:700px; height:120px;}
#la ul{ list-style:none;}
#la li{ background:url(../img/button1.jpg); width:100px; line-height:33px; float:left; text-align:center;}
#la li:hover{ background:url(../img/button1_bg.jpg); position:relative; bottom:1px; right:1px;}
#la a{ text-decoration:none; color:#666;}